Excellent
#154 of 3,813 schools in IL
Top 4% in state
Glenbard South High School
High School · Glenbard Twp HSD 87
23W200 Butterfield Rd, Glen Ellyn, IL 60137
Enrollment
1,027
Student-Teacher
15.6:1
Score
8.7
Grades
9th – 12th
Enrollment
1,027
Student-Teacher
15.6:1
Score
8.7
Grades
9th – 12th
Updated
2022-23
Updated 2022-23
How this school compares
In Glen Ellyn
#1 of 11
public schools
Illinois high schools
#17 of 703
In district
#1 of 4
Glenbard Twp HSD 87
Academic performance
9.2 / 10
Exceptional
About Glenbard South High School
Glenbard South High School is a public high school in Glen Ellyn, IL, part of the Glenbard Twp HSD 87. The school serves approximately 1,027 students in grades 9th – 12th with a student-teacher ratio of 15.6:1. It holds a MySchoolScout rating of 8.7/10, placing it in the 96th percentile among IL schools — an above average rating overall.
Students demonstrate 47% proficiency in math and 48% in reading/language arts. The school scores particularly well in student growth (8.4/10). Located in a neighborhood with a median household income of $131,695, where 64% of adults hold a bachelor's degree or higher.
The school is situated in a large suburban setting.
What's said publicly about Glenbard South High School
Synthesized from public, attributable sources. Updated May 2026.
Sources (1)
Score Breakdown
Full Profile · 4/4 metricsView breakdown
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Glenbard South High School — Students at Glenbard South High School score 46% proficient, which is above what's typical for similar communities (expected: 36%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
29.1%
Students qualifying for federal meal assistance
Test Scores IL EDFACTS (2021-22)
Based on 5 test records from IL state assessments. About our data
Proficiency Trend
→ StableAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 8.4/10.
How Glenbard South High School Compares
See how Glenbard South High School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Performance Trends
Math proficiency has declined from 50% (2019) to 43% (2021). Reading/ELA proficiency has remained stable from 48% (2019) to 50% (2022).
Location
23W200 Butterfield Rd, Glen Ellyn, IL 60137
Nearby Alternatives
Families considering Glenbard South High School may also want to explore other high schools in the area. Lisle High School (rated 7.5/10, 2.7 miles away, in nearby Lisle), a more accessible option. Additionally, CHESTERTON ACADEMY OF THE HOLY FAMILY (rated 6.3/10, 2.8 miles away, in nearby Lisle), a more accessible option. For more schools in Glen Ellyn, see our Glen Ellyn schools guide .
Nearby Schools
20 within 2.8 mi| School | Distance | Rating |
|---|---|---|
| Arbor View Elem School Glen Ellyn | 0.5 mi | 8.0 |
| ST JAMES THE APOSTLE SCHOOL Glen Ellyn | 1.0 mi | 4.9 |
| Briar Glen Elem School Wheaton | 0.9 mi | 3.4 |
| Park View Elem School Glen Ellyn | 1.3 mi | 4.9 |
| Glen Crest Middle School Glen Ellyn | 1.6 mi | 5.3 |
| Westfield Elem School Glen Ellyn | 1.6 mi | 5.4 |
| Butterfield Elem School Lombard | 1.5 mi | 4.3 |
| CARRIERS OF LIGHT Wheaton | 2.0 mi | 8.0 |
| TRELAND ACADEMY Wheaton | 1.7 mi | — |
| Lincoln Elem School Wheaton | 1.9 mi | 8.1 |
| KENSINGTON SCHOOL OF WHEATON Wheaton | 1.8 mi | 4.5 |
| ST JOAN OF ARC Lisle | 2.4 mi | 5.5 |
| Abraham Lincoln Elem School Glen Ellyn | 2.4 mi | 3.9 |
| ROSEHILL MONTESSORI SCHOOL Lisle | 2.5 mi | — |
| GIANT STEPS ILLINOIS Lisle | 2.2 mi | 8.2 |
| Lowell Elem School Wheaton | 2.4 mi | 9.3 |
| Lisle High School Lisle | 2.7 mi | 7.5 |
| BRIGHT HORIZONS CHILD CARE & EARLY EDUCATION Downers Grove | 2.1 mi | — |
| CHESTERTON ACADEMY OF THE HOLY FAMILY Lisle | 2.8 mi | 6.3 |
| Lisle Jr High School Lisle | 2.8 mi | 7.9 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 60137 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$131,695
Median Home Value
$490,800
Median Rent
$1,321/mo
Population
38,754
College Educated
63.7%
Homeownership
80.9%
Avg Commute
28.4 min
Poverty Rate
4.9%
Median Age
40.9
Community Profile
The community surrounding Glenbard South High School has a median household income of $131,695. It is a well-educated community where 64% of adults hold a bachelor's degree or higher. The median home value in the area is $490,800, with a median rent of $1,321/month. The local poverty rate of 4.9% is relatively low. The average commute for residents is 28 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Brooks College Prep Academy HS Chicago, IL | 8.6 |
| Hinsdale South High School Darien, IL | 8.6 |
| Lindblom Math & Science Acad HS Chicago, IL | 8.5 |
| Deerfield High School Deerfield, IL | 8.9 |
| Back of The Yards IB HS Chicago, IL | 8.3 |
| Lemont Twp High School Lemont, IL | 8.3 |
Frequently Asked Questions
Common questions about Glenbard South High School
What grades does Glenbard South High School serve?
Glenbard South High School serves students in grades 9th through 12th.
How many students attend Glenbard South High School?
Glenbard South High School has an enrollment of approximately 1,027 students.
What is the student-teacher ratio at Glenbard South High School?
The student-teacher ratio at Glenbard South High School is 15.6:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Glenbard South High School rank in IL?
Glenbard South High School is ranked #154 out of 3,813 schools in IL.
What is Glenbard South High School's MySchoolScout rating?
Glenbard South High School has a composite rating of 8.7 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Glenbard South High School?
Based on the most recent state assessment data, Glenbard South High School has 46.5% math proficiency and 47.7% reading/ELA proficiency.
Is Glenbard South High School a charter school?
No, Glenbard South High School is not a charter school. It is a traditional public school operated by the local school district.
Is Glenbard South High School a Title I school?
No, Glenbard South High School is not currently a Title I school.
What does the Free & Reduced Lunch percentage mean for Glenbard South High School?
29.1% of students at Glenbard South High School qualify for free or reduced-price lunch. This is a commonly used indicator of economic need and provides important context when interpreting test scores.
Neighborhood Context
Powered by 
FBI UCR 2024. City-level (Glen Ellyn). Data >1 year old.
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 9th – 12th
- Enrollment
- 1,027
- Student-Teacher Ratio
- 15.6:1
- Teachers (FTE)
- 66
- Free/Reduced Lunch
- 29.1%
- Type
- regular
- Setting
- Large Suburb
- County
- DuPage County
- Phone
- (630) 469-6500
- Data Year
- 2023–2024
Resources & Links
District
Glenbard Twp HSD 87- District Enrollment
- 7,747
- Schools in District
- 4
- Per-Pupil Spending
- $24,208
- District Rank
- #1 of 4
Other Schools in This District
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
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